Add test for subtract with overflow

Author: forzafedor

test_resources/blackbox/github_issue_cases/subtract-with-overflow-qrcode-detector-1-issue-77.bin

@@ -668,3 +668,35 @@ fn issue_69() {
     (code 128) 1734113010D24121203
      */
 }
+
+#[cfg(feature = "image")]
+#[test]
+fn issue_77_subtract_with_overflow() {
+    use rxing::DecodeHints;
+
+    let mut hints: DecodeHints =
+        DecodeHints::default().with(rxing::DecodeHintValue::TryHarder(true));
+
+    let mut data_1 = Vec::new();
+    std::fs::File::open("test_resources/blackbox/github_issue_cases/subtract-with-overflow-qrcode-detector-1-issue-77.bin")
+        .unwrap()
+        .read_to_end(&mut data_1)
+        .unwrap();
+    rxing::helpers::detect_multiple_in_luma_with_hints(data_1, 682, 504, &mut hints).unwrap_or_default();
+
+    let mut data_2 = Vec::new();
+    std::fs::File::open("test_resources/blackbox/github_issue_cases/subtract-with-overflow-qrcode-detector-2-issue-77.bin")
+        .unwrap()
+        .read_to_end(&mut data_2)
+        .unwrap();
+
+    rxing::helpers::detect_multiple_in_luma_with_hints(data_2, 678, 504, &mut hints).unwrap_or_default();
+
+    let mut data_3 = Vec::new();
+    std::fs::File::open("test_resources/blackbox/github_issue_cases/subtract-with-overflow-version-issue-77.bin")
+        .unwrap()
+        .read_to_end(&mut data_3)
+        .unwrap();
+
+    rxing::helpers::detect_multiple_in_luma_with_hints(data_3, 672, 504, &mut hints).unwrap_or_default();
+}